diff --git a/code/LeftAndMainSubsites.php b/code/LeftAndMainSubsites.php
index 7559769..2a3faf8 100644
--- a/code/LeftAndMainSubsites.php
+++ b/code/LeftAndMainSubsites.php
@@ -26,7 +26,7 @@ class LeftAndMainSubsites extends Extension {
 
 
 	public function changesubsite() {
-		$id = $_REQUEST['ID'];
+		$id = $_REQUEST['SubsiteID'];
 		
 		Subsite::changeSubsite($id);
 		
diff --git a/javascript/LeftAndMain_Subsites.js b/javascript/LeftAndMain_Subsites.js
index 325f287..3a9b3e2 100644
--- a/javascript/LeftAndMain_Subsites.js
+++ b/javascript/LeftAndMain_Subsites.js
@@ -1,7 +1,7 @@
 Behaviour.register({
 	'#SubsiteActions select' : {
 		onchange: function() {
-			var request = new Ajax.Request(SiteTreeHandlers.controller_url + '/changesubsite?ID=' + this.value + '&ajax=1', {
+			var request = new Ajax.Request(SiteTreeHandlers.controller_url + '/changesubsite?SubsiteID=' + this.value + '&ajax=1', {
 				onSuccess: function(response) {
 					$('sitetree').innerHTML = response.responseText;
 					SiteTree.applyTo($('sitetree'));